Pop-Off Valve double-piston vented outside with PROTOXIDE written on the cover.
Particular sound "Laser effect" issued vent.
Designed to avoid all the problems that other pop-off have on the cars equipped with air flow meter as the Subaru.
Included in the price we spent on the cap.
Very useful to avoid the dreaded hammering, dannosisimi engine and farlalla / and, in fact avoids that issue, the gauge shows no pressure surges, if you see it in your engine this is the valve you are looking for!
DOUBLE STAGE Pop-Off valve with external ventWITH DOUBLE TYPE OF SOUND! The first possibility is the puff produced by the POPOFF valve itself while the second possibility produces a puff produced by the Turbocharger that can be chosen directly from inside the passenger compartment simply by pressing a switch, when preferred. It can be installed on numerous cars including Fiat Punto GT, Fiat 500 Abarth, Renault 5 GT, Lancia Delta, Ford Escort Cosworth etc. and many other cars.
This emulator prevents you turn on the light "engine failure" when the exhaust system is deprived of catalytic. Complete with assembly instructions for easy assembly. Only suitable for all Subaru models, including the latest.